Abstract
Due to many special applications,the 980 nm pumping source semiconductor lasers should have the characteristics of spectrum stability,low power consumption. Based on the optimization design of a 980 nm single mode semiconductor laser cavity length,cavity reflectivity and fiber Bragg grating reflectivity,the low threshold,high power 980 nm fiber Bragg grating external cavity semiconductor lasers with wavelength stability are developed. The pigtail output power of the low power consumption single mode semiconductor lasers with wavelength stability can reach 51 m W under 100 m A,3 d B bandwidth of 0. 16 nm. The side mode suppression ratio( SMRS) is greater than40 d B. The pigtail output power of the device can reach 120 m W under 250 m A.
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